1.

Solve 105 cubewith formula a plus b cube

Answer»

Answer:

\large{\underline{\boxed{\sf 1,157,625}}}

Step-by-step EXPLANATION:

Given that ;

(105)³

It can be WRITTEN as ;

(100 + 5)³

Using identity here ;

  • (a + b)³ = a³ + b³ + 3ab(a + b)

⇒ (100 + 5)³

⇒ (100)³ + (5)³ + 3 * 100 * 5 (100 + 5)

⇒ 1,000,000 + 125 + 1500 * 105

⇒ 1,000,125 + 157,500

⇒ 1,157,625

Hence, the answer is 1,157,625.



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